function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}


function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var navleft = new Array (3);
for (i=0;i<3;i++) {
	navleft[i] = new Array(2);
}

navleft[0][0] = new Image(); navleft[0][0].src = "commercial.gif";
navleft[1][0] = new Image(); navleft[1][0].src = "institutional.gif";
navleft[2][0] = new Image(); navleft[2][0].src = "residential.gif";



navleft[0][1] = new Image(); navleft[0][1].src = "commercial_2.gif";
navleft[1][1] = new Image(); navleft[1][1].src = "institutional_2.gif";
navleft[2][1] = new Image(); navleft[2][1].src = "residential_2.gif";




var navright = new Array (3);
for (i=0;i<3;i++) {
	navright[i] = new Array(5);
}

navright[0][0] = new Image(); navright[0][0].src = "office.gif";
navright[0][1] = new Image(); navright[0][1].src = "retail.gif";
navright[0][2] = new Image(); navright[0][2].src = "banking.gif";
navright[0][3] = new Image(); navright[0][3].src = "blank_nav.gif";
navright[0][4] = new Image(); navright[0][4].src = "blank_nav.gif";


navright[1][0] = new Image(); navright[1][0].src = "civic.gif";
navright[1][1] = new Image(); navright[1][1].src = "educational.gif";
navright[1][2] = new Image(); navright[1][2].src = "government.gif";
navright[1][3] = new Image(); navright[1][3].src = "health.gif";
navright[1][4] = new Image(); navright[1][4].src = "religious.gif";


navright[2][0] = new Image(); navright[2][0].src = "blank_nav.gif";
navright[2][1] = new Image(); navright[2][1].src = "custom.gif";
navright[2][2] = new Image(); navright[2][2].src = "lowincome.gif";
navright[2][3] = new Image(); navright[2][3].src = "multifamily.gif";
navright[2][4] = new Image(); navright[2][4].src = "specialuser.gif";




var colSelected = "";


var navrighturl = new Array (3);
for (i=0;i<3;i++) {
	navrighturl[i] = new Array(5);
}


navrighturl[0][0] = "office.html";
navrighturl[0][1] = "retail.html";
navrighturl[0][2] = "banking.html";
navrighturl[0][3] = "";
navrighturl[0][4] = "";


navrighturl[1][0] = "civic.html";
navrighturl[1][1] = "educational.html";
navrighturl[1][2] = "government.html";
navrighturl[1][3] = "health.html";
navrighturl[1][4] = "religious.html";


navrighturl[2][0] = "";
navrighturl[2][1] = "custom.html";
navrighturl[2][2] = "lowincome.html";
navrighturl[2][3] = "multifamily.html";
navrighturl[2][4] = "specialuser.html";





function setLeftNav(col){
	for (i=0;i<3;i++) {
			imgname = "navleft" + i;
			cell = 0;
			if (i == col) {
				cell = 1;
			}
			tradeImg(imgname, navleft[i][cell]);
	}
}

function setRightNav(col) {
	colSelected=col;
	for (i=0;i<3;i++) {
			imgname = "navleft" + i;
			cell = 0;
			if (i == col) {
				cell = 1;
			}
			tradeImg(imgname, navleft[i][cell]);
	}

	for (i=0;i<5;i++) {
		imgname = "navright" + i;
		tradeImg(imgname, navright[col][i]);
	}


}

function tradeImg(imgname, newimg) {
   eval("document." + imgname + ".src = newimg.src");
}

function clickRightNav(cell) {
	if (navrighturl[colSelected][cell] != '') {
		window.location.href = navrighturl[colSelected][cell];
		setRightNav(colSelected);
	}
}